Define the available license types for the app (e.g., Basic, Premium, Enterprise) and set default options for new assignments
Access the App Settings for any specific application by clicking the dedicated “Settings” button on the app’s page.

From the "general" tab view this app's license types

Click on "+" to add a new license type
Click on the settings icon to set as default license type for newly created licenses. Existing licenses will not be affected
Save your changes !